Electric energy units are often expressed in the form of kilowatt-hours. (a) Show that one kilowatt-hour (kWh)

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Electric energy units are often expressed in the form of “kilowatt-hours”.
(a) Show that one kilowatt-hour (kWh) is equal to 3.6 x 10oJ.
(b) If a typical family of four uses electric energy at an average rate of 520 W, how many kWh would their electric bill be for one month, and
(c) How many joules would this be?
(d) At a cost of $0.12 per kWh, what would their monthly bill be in dollars?
Does the monthly bill depend on the rate at which they use the electric energy?
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Statistical Techniques In Business And Economics

ISBN: 356

16th Edition

Authors: Douglas Lind, William Marchal

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